11981255

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1289}}^1$

素因数の和:1331

約数の個数: 24

約数和(自身を含む): 16997040

約数和(自身を除く): 5015785

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1289, 1859, 6445, 9295, 14179, 16757, 70895, 83785, 184327, 217841, 921635, 1089205, 2396251, 11981255]

約数ペア:

[(1, 11981255), (5, 2396251), (11, 1089205), (13, 921635), (55, 217841), (65, 184327), (143, 83785), (169, 70895), (715, 16757), (845, 14179), (1289, 9295), (1859, 6445)]